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OSTP Mound Materiats Worksheet UN[VERSITY � <br /> � <br /> Minnesota Pollution OF MINNESOTA `''' <br /> Controi Agenty -���� <br /> Project ID: ��� p9 ZZ <br /> A• Calcula[e Bed (rock)Vo(ume:Sed Length (2.C)X Bed Width 2.B)X Depth =Vo(ume (ft') <br /> 63.0 ft X 10.0 ft x �.0 = 630.0 ft3 <br /> Divide ft'by 27 ft'/yd'to calculate cubic ards: <br /> 630.0 ft' = v = 23.3 yd' <br /> Add 20%for construcWbility: 23.3 yd'X 1.2 = 2$,p yd3 <br /> B. Calculate Ctean Sond Volume: <br /> Volume Under Rock bed:Averoge Sand Depth x Media Width x Media Length =cubic feet <br /> 1.6 ft X 10.0 ft X 63,0 ft = 1008.0 ft' <br /> For a Mound on a slope from 0-1% <br /> Volume from Length=((Upslope Mound Height-1)X Absorption Width Beyond Bed X Media Bed Length) <br /> ft -1) X X ft - <br /> Volume from Width=((Upslope Mound Height-1)X Absorption Width Beyond Bed X Media Bed Width) <br /> ft -1) X X ft = <br /> Totaf C(eon Sand Volume: Volume from Length+Vo(ume from Width+Volume Under Media <br /> ft3 + ft' + ft' = ft' <br /> For a Mound on a slope greater than 1% <br /> Ups(ope Vo(ume:((Upslope Mound Height -1)x 3 x Bed Length)=2=cubic feet <br /> (( 3.0 ft -�) X 3.o ft X 63.0 )�2= 189.0 ft' <br /> Downslope Volume: ((Downs(ope Height- 1)x Downslope Absorption Width x Media Length)-2=cubic feet <br /> (( 4.2 ft-1) X 10.0 ft X 63.0 )-2= 1008.0 �ft' <br /> Endslope Vo(ume:(Downs(ope Mound Height- 1) x 3 x Media Width =cubic feet <br /> ( 4.2 ft-1 ) X 3.0 ft X 10.0 ft = 96.0 ft' <br /> Toto(Clean Sand Vo(ume:Upslope Volume +pawnslope Volume +Endslope Volume +Volume Under Medio <br /> 189.0 ft' + 1008.0 ft' � 96.0 ft' � 1008.0 ft'= 2301.0 ft' <br /> Divide ft'by 27 ft'/yd'to catculate cubic yards: 2301.0 ft' = 27 = $5.2 yd' <br /> Add 20%for constructability: 85.2 yd'X 1.2 = 102.3 yd3 <br /> G Calculate Sandy Berm Volume: <br /> Total Berm Volume(approx):((Avg.Mound Height-0.5 ft topsoil)x Mound Width x Mound Length)�2=cubic feet <br /> ( 3.6 _ 0.5 )ft X 40.0 ft x 89.0 )=2= 5522J tt' <br /> Total Mound Yolume-Clean Sand volume-Rock Volume=cubic feet <br /> 5522.7 ft' - 2301.0 ft' - 630.0 ft; = 2591.7 ft' <br /> Divide ft'by 27 ft'/yd'to calculate cubic yards: 2591.7 ft' : z7 = 96.0 yd' <br /> Add 20%for constructability: 96.0 yd' X 1.2 = 115,2 yd3 <br /> D. Cat[ulate Topsoil Material Volume:Tota(Mound Width X Total Mound Length X.5 ft <br /> 40.0 ft X 89.0 ft X 0.5 ft = 1781.5 ft' <br /> Divide ft�by 27 ft'/yd'to calculate cubic yards: 1781.5 ft3 : 27 = 66.0 yd' <br /> Add 20%for constructability: 66.0 yd' x 1.2 = 79.2 yd' <br />